B120H - Siemens 20 Amp 120/240VAC 1 Pole Bolt-On Molded Case Circuit Breaker

Product Overview

The Siemens B120H is a 1‑pole, 20 amp molded case circuit breaker designed for bolt‑on mounting in compatible distribution equipment. It is rated for 120/240 VAC service.

This listing covers a single SKU: B120H. The unit is sold as a new Siemens part; request a quote for pricing and availability.

Key Features

• Single‑pole molded case circuit breaker
• 20 amp overcurrent rating
• 120/240 VAC voltage rating
• Bolt‑on mounting configuration
• Siemens original equipment manufacturer part (SKU: B120H)

Function and intended use

The B120H is a single‑pole molded case circuit breaker intended to provide overcurrent protection for branch circuits in 120/240 VAC systems. It interrupts fault currents by tripping at or above its rated threshold to protect wiring and connected loads.

• Provides overcurrent protection for one hot conductor in split‑phase or single‑phase circuits
• Typical application: branch circuit protection in distribution panels or bolt‑on load centers compatible with Siemens bolt‑on breakers

Electrical ratings and load considerations

Use the B120H only where its electrical ratings meet the system requirements. The breaker is specified at 20 amps and for 120/240 VAC service.

• Ampacity: 20 A
• Voltage rating: 120/240 VAC

Mounting style and installation overview

The B120H uses a bolt‑on mounting configuration. Confirm that the target enclosure or panel is designed to accept Siemens bolt‑on molded case breakers before attempting installation.

• Mounting: Bolt‑on style (requires compatible bus/bolt pattern)
• Form factor: 1‑pole molded case breaker

Ordering guidance

This product page represents the single SKU B120H. Verify the model number, required quantity, and that bolt‑on mounting is compatible with your equipment before ordering or requesting a quote.

• Manufacturer: Siemens
• SKU/Part number: B120H
• Condition listed: New

Before You Order

Confirm the model number (B120H), quantity required, and that bolt‑on mounting and the breaker’s electrical ratings fit your panel or equipment prior to placing an order or requesting a quote.

• Verify panel compatibility with Siemens bolt‑on breakers and the required bolt pattern.
• Confirm 20 A and 120/240 VAC ratings meet circuit design requirements.
• Contact sales for pricing, lead time, and any application‑specific questions.

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for B120H - Siemens 20 Amp 120/240VAC 1 Pole Bolt-On Molded Case Circuit Breaker. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.